Systematic Study of d-Wave Superconductivity in the 2D Repulsive Hubbard Model

T. A. Maier, M. Jarrell, T. C. Schulthess, P. R. C. Kent, and J. B. White
Phys. Rev. Lett. 95, 237001 – Published 29 November 2005

Abstract

The cluster size dependence of superconductivity in the conventional two-dimensional Hubbard model, commonly believed to describe high-temperature superconductors, is systematically studied using the dynamical cluster approximation and quantum Monte Carlo simulations as a cluster solver. Because of the nonlocality of the d-wave superconducting order parameter, the results on small clusters show large size and geometry effects. In large enough clusters, the results are independent of the cluster size and display a finite temperature instability to d-wave superconductivity.

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  • Received 20 April 2005

DOI:https://doi.org/10.1103/PhysRevLett.95.237001

©2005 American Physical Society

Authors & Affiliations

T. A. Maier1, M. Jarrell2, T. C. Schulthess1, P. R. C. Kent3, and J. B. White1

  • 1Computer Science and Mathematics Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, USA
  • 2Department of Physics, University of Cincinnati, Cincinnati, Ohio 45221, USA
  • 3University of Tennessee, Knoxville, Tennessee 37996, USA

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Issue

Vol. 95, Iss. 23 — 2 December 2005

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